From c04a9cb813f124abcfad50f93b101ceaee8f3b9f Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 7 Aug 2012 19:42:46 +0100
Subject: resources: Document IORESOURCE_IO

Help clarify that this is specifically for PCI/ISA I/O ports and not for
any other similar thing.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Tested-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index bfee885..85ac9b9b 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -29,7 +29,7 @@ struct resource {
 #define IORESOURCE_BITS		0x000000ff	/* Bus-specific bits */
 
 #define IORESOURCE_TYPE_BITS	0x00001f00	/* Resource type */
-#define IORESOURCE_IO		0x00000100
+#define IORESOURCE_IO		0x00000100	/* PCI/ISA I/O ports */
 #define IORESOURCE_MEM		0x00000200
 #define IORESOURCE_REG		0x00000300	/* Register offsets */
 #define IORESOURCE_IRQ		0x00000400
-- 
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